/* * cx18 ioctl system call * * Derived from ivtv-ioctl.c * * Copyright (C) 2007 Hans Verkuil * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA */ #include "cx18-driver.h" #include "cx18-version.h" #include "cx18-mailbox.h" #include "cx18-i2c.h" #include "cx18-queue.h" #include "cx18-fileops.h" #include "cx18-vbi.h" #include "cx18-audio.h" #include "cx18-video.h" #include "cx18-streams.h" #include "cx18-ioctl.h" #include "cx18-gpio.h" #include "cx18-controls.h" #include "cx18-cards.h" #include "cx18-av-core.h" #include #include #include u16 cx18_service2vbi(int type) { switch (type) { case V4L2_SLICED_TELETEXT_B: return CX18_SLICED_TYPE_TELETEXT_B; case V4L2_SLICED_CAPTION_525: return CX18_SLICED_TYPE_CAPTION_525; case V4L2_SLICED_WSS_625: return CX18_SLICED_TYPE_WSS_625; case V4L2_SLICED_VPS: return CX18_SLICED_TYPE_VPS; default: return 0; } } static int valid_service_line(int field, int line, int is_pal) { return (is_pal && line >= 6 && (line != 23 || field == 0)) || (!is_pal && line >= 10 && line < 22); } static u16 select_service_from_set(int field, int line, u16 set, int is_pal) { u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); int i; set = set & valid_set; if (set == 0 || !valid_service_line(field, line, is_pal)) return 0; if (!is_pal) { if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) return V4L2_SLICED_CAPTION_525; } else { if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) return V4L2_SLICED_VPS; if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) return V4L2_SLICED_WSS_625; if (line == 23) return 0; } for (i = 0; i < 32; i++) { if ((1 << i) & set) return 1 << i; } return 0; } void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { u16 set = fmt->service_set; int f, l; fmt->service_set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); } } static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { int f, l; u16 set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); set |= fmt->service_lines[f][l]; } } return set != 0; } u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) { int f, l; u16 set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) set |= fmt->service_lines[f][l]; } return set; } static const struct { v4l2_std_id std; char *name; } enum_stds[] = { { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" }, { V4L2_STD_PAL_DK, "PAL-DK" }, { V4L2_STD_PAL_I, "PAL-I" }, { V4L2_STD_PAL_M, "PAL-M" }, { V4L2_STD_PAL_N, "PAL-N" }, { V4L2_STD_PAL_Nc, "PAL-Nc" }, { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" }, { V4L2_STD_SECAM_DK, "SECAM-DK" }, { V4L2_STD_SECAM_L, "SECAM-L" }, { V4L2_STD_SECAM_LC, "SECAM-L'" }, { V4L2_STD_NTSC_M, "NTSC-M" }, { V4L2_STD_NTSC_M_JP, "NTSC-J" }, { V4L2_STD_NTSC_M_KR, "NTSC-K" }, }; static const struct v4l2_standard cx18_std_60hz = { .frameperiod = {.numerator = 1001, .denominator = 30000}, .framelines = 525, }; static const struct v4l2_standard cx18_std_50hz = { .frameperiod = { .numerator = 1, .denominator = 25 }, .framelines = 625, }; static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) { struct v4l2_register *regs = arg; unsigned long flags; if (!capable(CAP_SYS_ADMIN)) return -EPERM; if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) return -EINVAL; spin_lock_irqsave(&cx18_cards_lock, flags); if (cmd == VIDIOC_DBG_G_REGISTER) regs->val = read_enc(regs->reg); else write_enc(regs->val, regs->reg); spin_unlock_irqrestore(&cx18_cards_lock, flags); return 0; } static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt) { switch (fmt->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: fmt->fmt.pix.width = cx->params.width; fmt->fmt.pix.height = cx->params.height; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; if (streamtype == CX18_ENC_STREAM_TYPE_YUV) { fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12; /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ fmt->fmt.pix.sizeimage = fmt->fmt.pix.height * fmt->fmt.pix.width + fmt->fmt.pix.height * (fmt->fmt.pix.width / 2); } else { fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; fmt->fmt.pix.sizeimage = 128 * 1024; } break; case V4L2_BUF_TYPE_VBI_CAPTURE: fmt->fmt.vbi.sampling_rate = 27000000; fmt->fmt.vbi.offset = 248; fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4; fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; fmt->fmt.vbi.start[0] = cx->vbi.start[0]; fmt->fmt.vbi.start[1] = cx->vbi.start[1]; fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count; break; case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: { struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); cx18_av_cmd(cx, VIDIOC_G_FMT, fmt); vbifmt->service_set = cx18_get_service_set(vbifmt); break; } default: return -EINVAL; } return 0; } static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt, int set_fmt) { struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; u16 set; /* set window size */ if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; if (w > 720) w = 720; else if (w < 1) w = 1; if (h > (cx->is_50hz ? 576 : 480)) h = (cx->is_50hz ? 576 : 480); else if (h < 2) h = 2; cx18_get_fmt(cx, streamtype, fmt); fmt->fmt.pix.width = w; fmt->fmt.pix.height = h; if (!set_fmt || (cx->params.width == w && cx->params.height == h)) return 0; if (atomic_read(&cx->ana_capturing) > 0) return -EBUSY; cx->params.width = w; cx->params.height = h; if (w != 720 || h != (cx->is_50hz ? 576 : 480)) cx->params.video_temporal_filter = 0; else cx->params.video_temporal_filter = 8; cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); return cx18_get_fmt(cx, streamtype, fmt); } /* set raw VBI format */ if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI && cx->vbi.sliced_in->service_set && atomic_read(&cx->ana_capturing) > 0) return -EBUSY; if (set_fmt) { cx->vbi.sliced_in->service_set = 0; cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); } return cx18_get_fmt(cx, streamtype, fmt); } /* any else but sliced VBI capture is an error */ if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) return -EINVAL; /* TODO: implement sliced VBI, for now silently return 0 */ return 0; /* set sliced VBI capture format */ vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); if (vbifmt->service_set) cx18_expand_service_set(vbifmt, cx->is_50hz); set = check_service_set(vbifmt, cx->is_50hz); vbifmt->service_set = cx18_get_service_set(vbifmt); if (!set_fmt) return 0; if (set == 0) return -EINVAL; if (atomic_read(&cx->ana_capturing) > 0 && cx->vbi.sliced_in->service_set == 0) return -EBUSY; cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); return 0; } static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg) { struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; struct cx18 *cx = id->cx; struct v4l2_register *reg = arg; switch (cmd) { /* ioctls to allow direct access to the encoder registers for testing */ case VIDIOC_DBG_G_REGISTER: if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) return cx18_cxc(cx, cmd, arg); if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return cx18_i2c_id(cx, reg->match_chip, cmd, arg); return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); case VIDIOC_DBG_S_REGISTER: if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) return cx18_cxc(cx, cmd, arg); if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return cx18_i2c_id(cx, reg->match_chip, cmd, arg); return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); case VIDIOC_G_CHIP_IDENT: { struct v4l2_chip_ident *chip = arg; chip->ident = V4L2_IDENT_NONE; chip->revision = 0; if (reg->match_type == V4L2_CHIP_MATCH_HOST) { if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) { struct v4l2_chip_ident *chip = arg; chip->ident = V4L2_IDENT_CX23418; } return 0; } if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return cx18_i2c_id(cx, reg->match_chip, cmd, arg); if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR) return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); return -EINVAL; } case VIDIOC_INT_S_AUDIO_ROUTING: { struct v4l2_routing *route = arg; cx18_audio_set_route(cx, route); break; } default: return -EINVAL; } return 0; } int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg) { struct cx18_open_id *id = NULL; if (filp) id = (struct cx18_open_id *)filp->private_data; switch (cmd) { case VIDIOC_G_PRIORITY: { enum v4l2_priority *p = arg; *p = v4l2_prio_max(&cx->prio); break; } case VIDIOC_S_PRIORITY: { enum v4l2_priority *prio = arg; return v4l2_prio_change(&cx->prio, &id->prio, *prio); } case VIDIOC_QUERYCAP:{ struct v4l2_capability *vcap = arg; memset(vcap, 0, sizeof(*vcap)); strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info)); vcap->version = CX18_DRIVER_VERSION; /* version */ vcap->capabilities = cx->v4l2_cap; /* capabilities */ /* reserved.. must set to 0! */ vcap->reserved[0] = vcap->reserved[1] = vcap->reserved[2] = vcap->reserved[3] = 0; break; } case VIDIOC_ENUMAUDIO:{ struct v4l2_audio *vin = arg; return cx18_get_audio_input(cx, vin->index, vin); } case VIDIOC_G_AUDIO:{ struct v4l2_audio *vin = arg; vin->index = cx->audio_input; return cx18_get_audio_input(cx, vin->index, vin); } case VIDIOC_S_AUDIO:{ struct v4l2_audio *vout = arg; if (vout->index >= cx->nof_audio_inputs) return -EINVAL; cx->audio_input = vout->index; cx18_audio_set_io(cx); break; } case VIDIOC_ENUMINPUT:{ struct v4l2_input *vin = arg; /* set it to defaults from our table */ return cx18_get_input(cx, vin->index, vin); } case VIDIOC_TRY_FMT: case VIDIOC_S_FMT: { struct v4l2_format *fmt = arg; return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT); } case VIDIOC_G_FMT: { struct v4l2_format *fmt = arg; int type = fmt->type; memset(fmt, 0, sizeof(*fmt)); fmt->type = type; return cx18_get_fmt(cx, id->type, fmt); } case VIDIOC_CROPCAP: { struct v4l2_cropcap *cropcap = arg; if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; cropcap->bounds.top = cropcap->bounds.left = 0; cropcap->bounds.width = 720; cropcap->bounds.height = cx->is_50hz ? 576 : 480; cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10; cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11; cropcap->defrect = cropcap->bounds; return 0; } case VIDIOC_S_CROP: { struct v4l2_crop *crop = arg; if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; return cx18_av_cmd(cx, VIDIOC_S_CROP, arg); } case VIDIOC_G_CROP: { struct v4l2_crop *crop = arg; if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; return cx18_av_cmd(cx, VIDIOC_G_CROP, arg); } case VIDIOC_ENUM_FMT: { static struct v4l2_fmtdesc formats[] = { { 0, 0, 0, "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 } }, { 1, 0, V4L2_FMT_FLAG_COMPRESSED, "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 } } }; struct v4l2_fmtdesc *fmt = arg; enum v4l2_buf_type type = fmt->type; switch (type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: break; default: return -EINVAL; } if (fmt->index > 1) return -EINVAL; *fmt = formats[fmt->index]; fmt->type = type; return 0; } case VIDIOC_G_INPUT:{ *(int *)arg = cx->active_input; break; } case VIDIOC_S_INPUT:{ int inp = *(int *)arg; if (inp < 0 || inp >= cx->nof_inputs) return -EINVAL; if (inp == cx->active_input) { CX18_DEBUG_INFO("Input unchanged\n"); break; } CX18_DEBUG_INFO("Changing input from %d to %d\n", cx->active_input, inp); cx->active_input = inp; /* Set the audio input to whatever is appropriate for the input type. */ cx->audio_input = cx->card->video_inputs[inp].audio_index; /* prevent others from messing with the streams until we're finished changing inputs. */ cx18_mute(cx); cx18_video_set_io(cx); cx18_audio_set_io(cx); cx18_unmute(cx); break; } case VIDIOC_G_FREQUENCY:{ struct v4l2_frequency *vf = arg; if (vf->tuner != 0) return -EINVAL; cx18_call_i2c_clients(cx, cmd, arg); break; } case VIDIOC_S_FREQUENCY:{ struct v4l2_frequency vf = *(struct v4l2_frequency *)arg; if (vf.tuner != 0) return -EINVAL; cx18_mute(cx); CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency); cx18_call_i2c_clients(cx, cmd, &vf); cx18_unmute(cx); break; } case VIDIOC_ENUMSTD:{ struct v4l2_standard *vs = arg; int idx = vs->index; if (idx < 0 || idx >= ARRAY_SIZE(enum_stds)) return -EINVAL; *vs = (enum_stds[idx].std & V4L2_STD_525_60) ? cx18_std_60hz : cx18_std_50hz; vs->index = idx; vs->id = enum_stds[idx].std; strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name)); break; } case VIDIOC_G_STD:{ *(v4l2_std_id *) arg = cx->std; break; } case VIDIOC_S_STD: { v4l2_std_id std = *(v4l2_std_id *) arg; if ((std & V4L2_STD_ALL) == 0) return -EINVAL; if (std == cx->std) break; if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) || atomic_read(&cx->ana_capturing) > 0) { /* Switching standard would turn off the radio or mess with already running streams, prevent that by returning EBUSY. */ return -EBUSY; } cx->std = std; cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; cx->params.is_50hz = cx->is_50hz = !cx->is_60hz; cx->params.width = 720; cx->params.height = cx->is_50hz ? 576 : 480; cx->vbi.count = cx->is_50hz ? 18 : 12; cx->vbi.start[0] = cx->is_50hz ? 6 : 10; cx->vbi.start[1] = cx->is_50hz ? 318 : 273; cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284; CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std); /* Tuner */ cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); break; } case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */ struct v4l2_tuner *vt = arg; if (vt->index != 0) return -EINVAL; cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt); break; } case VIDIOC_G_TUNER: { struct v4l2_tuner *vt = arg; if (vt->index != 0) return -EINVAL; memset(vt, 0, sizeof(*vt)); cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt); if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); vt->type = V4L2_TUNER_RADIO; } else { strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); vt->type = V4L2_TUNER_ANALOG_TV; } break; } case VIDIOC_G_SLICED_VBI_CAP: { struct v4l2_sliced_vbi_cap *cap = arg; int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; int f, l; enum v4l2_buf_type type = cap->type; memset(cap, 0, sizeof(*cap)); cap->type = type; if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { if (valid_service_line(f, l, cx->is_50hz)) cap->service_lines[f][l] = set; } } return 0; } return -EINVAL; } case VIDIOC_ENCODER_CMD: case VIDIOC_TRY_ENCODER_CMD: { struct v4l2_encoder_cmd *enc = arg; int try = cmd == VIDIOC_TRY_ENCODER_CMD; memset(&enc->raw, 0, sizeof(enc->raw)); switch (enc->cmd) { case V4L2_ENC_CMD_START: enc->flags = 0; if (try) return 0; return cx18_start_capture(id); case V4L2_ENC_CMD_STOP: enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; if (try) return 0; cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); return 0; case V4L2_ENC_CMD_PAUSE: enc->flags = 0; if (try) return 0; if (!atomic_read(&cx->ana_capturing)) return -EPERM; if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; cx18_mute(cx); cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); break; case V4L2_ENC_CMD_RESUME: enc->flags = 0; if (try) return 0; if (!atomic_read(&cx->ana_capturing)) return -EPERM; if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); cx18_unmute(cx); break; default: return -EINVAL; } break; } case VIDIOC_LOG_STATUS: { struct v4l2_input vidin; struct v4l2_audio audin; int i; CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num); if (cx->hw_flags & CX18_HW_TVEEPROM) { struct tveeprom tv; cx18_read_eeprom(cx, &tv); } cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL); cx18_get_input(cx, cx->active_input, &vidin); cx18_get_audio_input(cx, cx->audio_input, &audin); CX18_INFO("Video Input: %s\n", vidin.name); CX18_INFO("Audio Input: %s\n", audin.name); CX18_INFO("Tuner: %s\n", test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV"); cx2341x_log_status(&cx->params, cx->name); CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags); for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; if (s->v4l2dev == NULL || s->buffers == 0) continue; CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags, (s->buffers - s->q_free.buffers) * 100 / s->buffers, (s->buffers * s->buf_size) / 1024, s->buffers); } CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)cx->mpg_data_received, (long long)cx->vbi_data_inserted); CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); break; } default: return -EINVAL; } return 0; } static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, void *arg) { struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; struct cx18 *cx = id->cx; int ret; /* check priority */ switch (cmd) { case VIDIOC_S_CTRL: case VIDIOC_S_STD: case VIDIOC_S_INPUT: case VIDIOC_S_TUNER: case VIDIOC_S_FREQUENCY: case VIDIOC_S_FMT: case VIDIOC_S_CROP: case VIDIOC_S_EXT_CTRLS: ret = v4l2_prio_check(&cx->prio, &id->prio); if (ret) return ret; } switch (cmd) { case VIDIOC_DBG_G_REGISTER: case VIDIOC_DBG_S_REGISTER: case VIDIOC_G_CHIP_IDENT: case VIDIOC_INT_S_AUDIO_ROUTING: case VIDIOC_INT_RESET: if (cx18_debug & CX18_DBGFLG_IOCTL) { printk(KERN_INFO "cx18%d ioctl: ", cx->num); v4l_printk_ioctl(cmd); } return cx18_debug_ioctls(filp, cmd, arg); case VIDIOC_G_PRIORITY: case VIDIOC_S_PRIORITY: case VIDIOC_QUERYCAP: case VIDIOC_ENUMINPUT: case VIDIOC_G_INPUT: case VIDIOC_S_INPUT: case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: case VIDIOC_ENUM_FMT: case VIDIOC_CROPCAP: case VIDIOC_G_CROP: case VIDIOC_S_CROP: case VIDIOC_G_FREQUENCY: case VIDIOC_S_FREQUENCY: case VIDIOC_ENUMSTD: case VIDIOC_G_STD: case VIDIOC_S_STD: case VIDIOC_S_TUNER: case VIDIOC_G_TUNER: case VIDIOC_ENUMAUDIO: case VIDIOC_S_AUDIO: case VIDIOC_G_AUDIO: case VIDIOC_G_SLICED_VBI_CAP: case VIDIOC_LOG_STATUS: case VIDIOC_G_ENC_INDEX: case VIDIOC_ENCODER_CMD: case VIDIOC_TRY_ENCODER_CMD: if (cx18_debug & CX18_DBGFLG_IOCTL) { printk(KERN_INFO "cx18%d ioctl: ", cx->num); v4l_printk_ioctl(cmd); } return cx18_v4l2_ioctls(cx, filp, cmd, arg); case VIDIOC_QUERYMENU: case VIDIOC_QUERYCTRL: case VIDIOC_S_CTRL: case VIDIOC_G_CTRL: case VIDIOC_S_EXT_CTRLS: case VIDIOC_G_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: if (cx18_debug & CX18_DBGFLG_IOCTL) { printk(KERN_INFO "cx18%d ioctl: ", cx->num); v4l_printk_ioctl(cmd); } return cx18_control_ioctls(cx, cmd, arg); case 0x00005401: /* Handle isatty() calls */ return -EINVAL; default: return v4l_compat_translate_ioctl(inode, filp, cmd, arg, cx18_v4l2_do_ioctl); } return 0; } int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; struct cx18 *cx = id->cx; int res; mutex_lock(&cx->serialize_lock); res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl); mutex_unlock(&cx->serialize_lock); return res; }